William Melnick (Ph.D.) is Research Associate; Eldon Eagles (M.D., C.M., Dr. P. H.) is Associate Research Professor of Maternal and Child Health; Herbert S. Levine (D.Sc., Hyg.) is Research Assistant, University of Pittsburgh, Graduate School of Public Health.

William Melnick (Ph.D.) is Research Associate; Eldon Eagles (M.D., C.M., Dr. P. H.) is Associate Research Professor of Maternal and Child Health; Herbert S. Levine (D.Sc., Hyg.) is Research Assistant, University of Pittsburgh, Graduate School of Public Health.×